903
FNCA52 TJSJ 011930
FWFSJU
FIRE WEATHER PLANNING FORECAST FOR PUERTO RICO
NATIONAL WEATHER SERVICE SAN JUAN PR
330 PM AST MON JUN 1 2026
DISCUSSION
NO FIRE DANGER IS EXPECTED TODAY.
PRZ014-020800-
SOUTHEAST COASTAL PLAINS-
330 PM AST MON JUN 1 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR MCLEAR MCLEAR
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 20 20 10 0
TEMP (24H TREND) 73 (-2) 91 (+2) 72 90
RH % (24H TREND) 89 (+1) 47 (-7) 87 47
WIND 20FT/EARLY(MPH) E 13 E 18 E 13 E 16
WIND 20FT/LATE(MPH) E 13 SE 17 E 13 SE 16
MIXING HGT(FT-AGL/MSL) 4640 5590
TRANSPORT WND (MPH) SE 20 E 17
VENT RATE (KT-FT) 78880 83850
DISPERSION 5 5
DSI 6 6 5 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ015-020800-
SOUTHERN HILLS-
330 PM AST MON JUN 1 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR MCLEAR MCLEAR
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 10 20 10 10
TEMP (24H TREND) 70 (-2) 87 (+3) 68 87
RH % (24H TREND) 98 (+5) 57 (-7) 96 58
WIND 20FT/EARLY(MPH) SE 13 SE 16 E 12 E 13
WIND 20FT/LATE(MPH) E 12 SE 14 E 13 SE 13
MIXING HGT(FT-AGL/MSL) 4970 6460
TRANSPORT WND (MPH) SE 21 E 17
VENT RATE (KT-FT) 89460 96900
DISPERSION 5 5
DSI 5 6 4 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ016-020800-
NORTH COASTAL PLAINS-
330 PM AST MON JUN 1 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR MCLEAR PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 0 0 10 20
TEMP (24H TREND) 71 (-3) 92 (+1) 72 90
RH % (24H TREND) 95 (-1) 54 (-6) 96 56
WIND 20FT/EARLY(MPH) SE 13 E 16 E 12 E 14
WIND 20FT/LATE(MPH) SE 12 E 17 E 12 E 18
MIXING HGT(FT-AGL/MSL) 5730 6080
TRANSPORT WND (MPH) SE 17 E 17
VENT RATE (KT-FT) 85950 91200
DISPERSION 5 5
DSI 4 6 5 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ017-020800-
NORTHERN HILLS-
330 PM AST MON JUN 1 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER CLEAR MCLEAR CLEAR PCLDY
PRECIP TYPE NONE SHOWERS NONE SHOWERS
CHANCE PRECIP (%) 0 40 0 50
TEMP (24H TREND) 70 (-1) 91 (+2) 69 88
RH % (24H TREND) 97 (-1) 53 (-7) 96 58
WIND 20FT/EARLY(MPH) SE 10 SE 13 E 11 E 12
WIND 20FT/LATE(MPH) E 6 SE 14 E 9 E 16
MIXING HGT(FT-AGL/MSL) 6230 7540
TRANSPORT WND (MPH) SE 16 SE 14
VENT RATE (KT-FT) 87220 90480
DISPERSION 5 5
DSI 3 6 3 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ018-020800-
WEST COAST-
330 PM AST MON JUN 1 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR CLEAR PCLDY
PRECIP TYPE NONE SHOWERS NONE SHOWERS
CHANCE PRECIP (%) 0 20 0 30
TEMP (24H TREND) 72 (-1) 92 (+1) 72 91
RH % (24H TREND) 95 (-2) 54 (-7) 95 55
WIND 20FT/EARLY(MPH) SE 13 E 19 SE 13 E 14
WIND 20FT/LATE(MPH) E 17 SE 18 E 12 E 16
MIXING HGT(FT-AGL/MSL) 4930 5770
TRANSPORT WND (MPH) SE 20 E 12
VENT RATE (KT-FT) 83810 57700
DISPERSION 5 5
DSI 5 6 4 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ019-020800-
EASTERN INTERIOR-
330 PM AST MON JUN 1 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR MCLEAR PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 20 20 30 20
TEMP (24H TREND) 71 (-2) 88 (+1) 70 88
RH % (24H TREND) 97 (+2) 57 (-6) 97 59
WIND 20FT/EARLY(MPH) SE 16 SE 16 E 13 E 14
WIND 20FT/LATE(MPH) SE 14 SE 16 E 14 E 14
MIXING HGT(FT-AGL/MSL) 5190 6570
TRANSPORT WND (MPH) SE 18 SE 17
VENT RATE (KT-FT) 83040 98550
DISPERSION 5 5
DSI 4 6 4 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ022-020800-
LUQUILLO MOUNTAIN RANGE-
330 PM AST MON JUN 1 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 20 20 30 30
TEMP (24H TREND) 69 (-2) 83 (+3) 68 83
RH % (24H TREND) 99 (+2) 65 (-8) 98 67
WIND 20FT/EARLY(MPH) SE 13 SE 13 E 12 E 12
WIND 20FT/LATE(MPH) SE 12 SE 13 E 11 E 13
MIXING HGT(FT-AGL/MSL) 4380 4710
TRANSPORT WND (MPH) SE 18 SE 17
VENT RATE (KT-FT) 70080 70650
DISPERSION 5 5
DSI 6 6 6 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ023-020800-
CENTRAL MOUNTAIN RANGE-
330 PM AST MON JUN 1 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR CLEAR PCLDY
PRECIP TYPE NONE SHOWERS NONE SHOWERS
CHANCE PRECIP (%) 0 40 0 50
TEMP (24H TREND) 67 (-3) 88 (+5) 66 86
RH % (24H TREND) 99 (+2) 56 (-9) 98 60
WIND 20FT/EARLY(MPH) SE 9 SE 13 SE 8 E 11
WIND 20FT/LATE(MPH) SE 9 SE 13 E 8 SE 11
MIXING HGT(FT-AGL/MSL) 5980 7860
TRANSPORT WND (MPH) SE 16 SE 12
VENT RATE (KT-FT) 83720 78600
DISPERSION 5 5
DSI 3 6 2 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ024-020800-
CAYEY MOUNTAIN RANGE-
330 PM AST MON JUN 1 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR PCLDY MCLEAR
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 20 20 30 30
TEMP (24H TREND) 70 (-1) 83 (+2) 69 83
RH % (24H TREND) 99 (+1) 65 (-5) 99 66
WIND 20FT/EARLY(MPH) SE 11 SE 12 E 10 E 11
WIND 20FT/LATE(MPH) SE 11 SE 12 E 11 E 11
MIXING HGT(FT-AGL/MSL) 4600 5570
TRANSPORT WND (MPH) SE 21 E 18
VENT RATE (KT-FT) 82800 89120
DISPERSION 5 5
DSI 6 6 5 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ025-020800-
VIEQUES-
330 PM AST MON JUN 1 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 20 10 20 10
TEMP (24H TREND) 75 (-2) 88 (+1) 74 87
RH % (24H TREND) 91 (+2) 60 (-5) 89 61
WIND 20FT/EARLY(MPH) SE 18 E 17 E 17 E 16
WIND 20FT/LATE(MPH) E 18 E 17 E 17 E 14
MIXING HGT(FT-AGL/MSL) 3730 3520
TRANSPORT WND (MPH) SE 23 E 18
VENT RATE (KT-FT) 74600 56320
DISPERSION 5 5
DSI 6 6 6 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ026-020800-
CULEBRA-
330 PM AST MON JUN 1 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR PCLDY MCLEAR
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 10 10 20 10
TEMP (24H TREND) 76 (-2) 89 (+2) 76 89
RH % (24H TREND) 91 (+4) 59 (-7) 89 59
WIND 20FT/EARLY(MPH) SE 18 E 18 E 17 E 16
WIND 20FT/LATE(MPH) E 18 E 17 E 18 E 14
MIXING HGT(FT-AGL/MSL) 4070 3410
TRANSPORT WND (MPH) E 21 E 18
VENT RATE (KT-FT) 73260 54560
DISPERSION 5 5
DSI 6 6 6 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ027-020800-
SOUTHWEST COASTAL PLAINS AND MONA ISLAND-
330 PM AST MON JUN 1 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR CLEAR MCLEAR
PRECIP TYPE SHOWERS SHOWERS NONE NONE
CHANCE PRECIP (%) 10 10 0 0
TEMP (24H TREND) 74 (-1) 92 (+2) 73 91
RH % (24H TREND) 88 (-3) 45 (-8) 88 47
WIND 20FT/EARLY(MPH) E 18 E 23 G30 E 17 E 20
WIND 20FT/LATE(MPH) E 21 SE 21 G29 E 17 SE 21
MIXING HGT(FT-AGL/MSL) 4730 5520
TRANSPORT WND (MPH) E 22 E 21
VENT RATE (KT-FT) 89870 99360
DISPERSION 5 5
DSI 6 6 5 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
VIZ001-020800-
SAINT THOMAS AND SAINT JOHN-
330 PM AST MON JUN 1 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 10 10 20 20
TEMP (24H TREND) 76 (-2) 86 (+1) 75 86
RH % (24H TREND) 91 (+4) 63 (-5) 90 64
WIND 20FT/EARLY(MPH) E 19 E 18 E 18 E 17
WIND 20FT/LATE(MPH) E 19 E 18 E 18 E 14
MIXING HGT(FT-AGL/MSL) 3530 3480
TRANSPORT WND (MPH) SE 24 E 20
VENT RATE (KT-FT) 74130 59160
DISPERSION 5 5
DSI 6 6 6 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
VIZ002-020800-
ST CROIX-
330 PM AST MON JUN 1 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 0 10 20 30
TEMP (24H TREND) 76 (-1) 87 (+1) 75 87
RH % (24H TREND) 89 (+1) 63 (-4) 90 63
WIND 20FT/EARLY(MPH) E 18 E 17 E 17 E 16
WIND 20FT/LATE(MPH) E 18 E 18 E 16 E 14
MIXING HGT(FT-AGL/MSL) 4710 5030
TRANSPORT WND (MPH) E 24 E 21
VENT RATE (KT-FT) 98910 90540
DISPERSION 5 5
DSI 6 6 6 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
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